21642156957

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{5351}}^1$

素因数の和:5913

約数の個数: 32

約数和(自身を含む): 30067107840

約数和(自身を除く): 8424950883

約数列:

[1, 3, 37, 83, 111, 249, 439, 1317, 3071, 5351, 9213, 16053, 16243, 36437, 48729, 109311, 197987, 444133, 593961, 1332399, 1348169, 2349089, 4044507, 7047267, 16432921, 49298763, 86916293, 194974387, 260748879, 584923161, 7214052319, 21642156957]

約数ペア:

[(1, 21642156957), (3, 7214052319), (37, 584923161), (83, 260748879), (111, 194974387), (249, 86916293), (439, 49298763), (1317, 16432921), (3071, 7047267), (5351, 4044507), (9213, 2349089), (16053, 1348169), (16243, 1332399), (36437, 593961), (48729, 444133), (109311, 197987)]